14.3 RU3 and RU4 Endpoint Protection clients fail to install. Error 1603.

Products

• Endpoint Protection
• Endpoint Security

Issue/Introduction

Symantec Endpoint Protection (SEP) 14.3 RU3 and RU4 clients fail to install with Error 1603. Looking at C:\ProgramData\Symantec\Symantec Endpoint Protection\CurrentVersion\Data\Install\Logs\
SIS_INST.log shows the following:

2021-12-22T22:33:06.401Z ERROR U SIS openImpl Failed to create file. [\??\C:\ProgramData\Symantec\Symantec Endpoint Protection\14.3.5413.3000.105\Data\EdrEpmpCStorage.dat] Status: 0xC0000043 = A file cannot be opened because the share access flags are incompatible.
2021-12-22T22:33:06.401Z ERROR U SIS CopyFile: failed to open source with error 0xC0000043 = A file cannot be opened because the share access flags are incompatible.
2021-12-22T22:33:06.401Z ERROR U SIS
2021-12-22T22:33:06.401Z ERROR U SIS Dumping action parameters from the script:
2021-12-22T22:33:06.401Z ERROR U SIS SrcPath=[C:\ProgramData\Symantec\Symantec Endpoint Protection\14.3.5413.3000.105\Data\EdrEpmpCStorage.dat]
2021-12-22T22:33:06.401Z ERROR U SIS DestPath=[C:\ProgramData\Symantec\Symantec Endpoint Protection\14.3.5413.3000.105\Data\EdrEpmpCStorage.dat.cln]
2021-12-22T22:33:06.401Z INFO U SIS ExecuteScript() - Successfully set failure event.
2021-12-22T22:33:06.401Z INFO U SIS ExecuteScript() returning ACTION_FAILED_WITH_ROLLBACK
2021-12-22T22:33:06.401Z INFO U SIS
2021-12-22T22:33:06.401Z INFO U SIS script completed with status: ACTION_FAILED_WITH_ROLLBACK
2021-12-22T22:33:06.401Z INFO r SIS TransitionToEnteringRollbackScript() - success
Troubleshooting steps performed?: -Error 1603 Tried to Uninstall using clean wipe

Cause

Handling of EdrEpmpCstorage.dat during installation.

Resolution

This issue has been fixed in version 14.3 RU5. Please upgrade to this version or newer to take advantage of the fix.

Additional Information

CRE-9044